Morphine Ridge
Ridge in Morrow County, Oregon · on the USGS Big Rock Flat quadrangle
45.01122, -119.50552
Maps that show Morphine Ridge
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Big Rock Flat, OR
USGS topo, 2024
Map 2 Motor Vehicle Use Map (MVUM)
Umatilla National Forest (2026)
Map 3 Motor Vehicle Use Map (MVUM)
Umatilla National Forest (2026)
Entire District Motor Vehicle Use Map (MVUM)
Umatilla National Forest (2026)
IFR Enroute Low Altitude Chart L-01 (U.S.)
FAA, 2026-10-29
IFR Enroute Low Altitude Chart L-11 (U.S.)
FAA, 2026-10-29
IFR Enroute Low Altitude Chart L-13 (U.S.)
FAA, 2026-10-29
IFR Enroute High Altitude Chart H-03 (U.S.)
FAA, 2026-10-29
IFR Enroute High Altitude Chart H-01 (U.S.)
FAA, 2026-10-29
IFR Enroute Low Altitude Chart L-01 (Alaska)
FAA, 2026-10-29
Nearby
Name, class, county and location: USGS Geographic Names Information System (public domain).